This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page.
View CVE-2026-89878 →
DEBIAN-CVE-2026-89878
In the Linux kernel, the following vulnerability has been resolved: media: s2255: check firmware size before reading trailing marker s2255_probe() r...
Original description
The description as published by the source.
In the Linux kernel, the following vulnerability has been resolved: media: s2255: check firmware size before reading trailing marker s2255_probe() reads a 4-byte marker and version from the last 8 bytes of the firmware blob (fw->data[fw_size - 8] and [fw_size - 4]). If the firmware file is shorter than 8 bytes, fw_size - 8 underflows and the access reads out of bounds. Validate the firmware size before indexing.
Source: OSV.dev (Open Source Vulnerabilities) OSV
Affected packages
Debian:12
linux
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.190-1"}]}]
Debian:13
linux
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.12.111-1"}]}]
Debian:14
linux
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.2.6-1"}]}]
Debian:12
linux-6.12
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.12.111-1~deb12u1"}]}]
References
- advisory security-tracker.debian.org